diff --git a/federation/tests/conftest.py b/federation/tests/conftest.py
index be6cc8a..11eab6a 100644
--- a/federation/tests/conftest.py
+++ b/federation/tests/conftest.py
@@ -4,6 +4,7 @@ import pytest
 
 # noinspection PyUnresolvedReferences
 from federation.tests.fixtures.entities import *
+from federation.tests.fixtures.types import *
 from federation.tests.fixtures.keys import get_dummy_private_key
 
 
diff --git a/federation/tests/entities/activitypub/test_entities.py b/federation/tests/entities/activitypub/test_entities.py
index df7f02b..64548d5 100644
--- a/federation/tests/entities/activitypub/test_entities.py
+++ b/federation/tests/entities/activitypub/test_entities.py
@@ -1,6 +1,11 @@
+from unittest.mock import patch
+
+from Crypto.PublicKey.RSA import RsaKey
+
 from federation.entities.activitypub.constants import (
     CONTEXTS_DEFAULT, CONTEXT_MANUALLY_APPROVES_FOLLOWERS, CONTEXT_LD_SIGNATURES, CONTEXT_HASHTAG, CONTEXT_SENSITIVE)
-from federation.entities.activitypub.entities import ActivitypubProfile
+from federation.entities.activitypub.entities import ActivitypubProfile, ActivitypubAccept
+from federation.types import UserType
 
 
 class TestEntitiesConvertToAS2:
@@ -37,3 +42,26 @@ class TestEntitiesConvertToAS2:
             CONTEXT_MANUALLY_APPROVES_FOLLOWERS,
         ]
         assert result.get('type') == 'Person'
+
+
+class TestEntitiesPostReceive:
+    @patch("federation.utils.activitypub.retrieve_and_parse_profile", autospec=True)
+    @patch("federation.entities.activitypub.entities.handle_send", autospec=True)
+    def test_follow_post_receive__sends_correct_accept_back(
+            self, mock_send, mock_retrieve, activitypubfollow, profile
+    ):
+        mock_retrieve.return_value = profile
+        activitypubfollow.post_receive()
+        args, kwargs = mock_send.call_args_list[0]
+        assert isinstance(args[0], ActivitypubAccept)
+        assert args[0].activity_id.startswith("https://example.com/profile#accept-")
+        assert args[0].actor_id == "https://example.com/profile"
+        assert args[0].target_id == "https://localhost/follow"
+        assert isinstance(args[1], UserType)
+        assert args[1].id == "https://example.com/profile"
+        assert isinstance(args[1].private_key, RsaKey)
+        assert kwargs['recipients'] == [{
+            "fid": "https://example.com/private",
+            "protocol": "activitypub",
+            "public": False,
+        }]
diff --git a/federation/tests/fixtures/entities.py b/federation/tests/fixtures/entities.py
index 53139cd..69d3e36 100644
--- a/federation/tests/fixtures/entities.py
+++ b/federation/tests/fixtures/entities.py
@@ -2,7 +2,7 @@ import uuid
 
 import pytest
 
-from federation.entities.activitypub.entities import ActivitypubPost, ActivitypubAccept
+from federation.entities.activitypub.entities import ActivitypubPost, ActivitypubAccept, ActivitypubFollow
 from federation.entities.base import Profile
 from federation.entities.diaspora.entities import (
     DiasporaPost, DiasporaComment, DiasporaLike, DiasporaProfile, DiasporaRetraction,
@@ -21,6 +21,15 @@ def activitypubaccept():
     )
 
 
+@pytest.fixture
+def activitypubfollow():
+    return ActivitypubFollow(
+        activity_id="https://localhost/follow",
+        actor_id="https://localhost/profile",
+        target_id="https://example.com/profile",
+    )
+
+
 @pytest.fixture
 def profile():
     return Profile(
@@ -31,6 +40,10 @@ def profile():
         id="https://example.com/alice",
         handle="alice@example.com",
         guid="guid",
+        inboxes={
+            "private": "https://example.com/private",
+            "public": "https://example.com/public",
+        }
     )
 
 
diff --git a/federation/tests/fixtures/types.py b/federation/tests/fixtures/types.py
new file mode 100644
index 0000000..a980358
--- /dev/null
+++ b/federation/tests/fixtures/types.py
@@ -0,0 +1,12 @@
+import pytest
+
+from federation.tests.fixtures.keys import get_dummy_private_key
+from federation.types import UserType
+
+
+@pytest.fixture
+def usertype():
+    return UserType(
+        id="https://localhost/profile",
+        private_key=get_dummy_private_key(),
+    )